crypto/external/bsd/openssl/dist/apps/cms.c

   1 /* apps/cms.c */
   2 /*
   3  * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
   4  * project.
   5  */
   6 /* ====================================================================
   7  * Copyright (c) 2008 The OpenSSL Project.  All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  *
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  *
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in
  18  *    the documentation and/or other materials provided with the
  19  *    distribution.
  20  *
  21  * 3. All advertising materials mentioning features or use of this
  22  *    software must display the following acknowledgment:
  23  *    "This product includes software developed by the OpenSSL Project
  24  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  25  *
  26  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  27  *    endorse or promote products derived from this software without
  28  *    prior written permission. For written permission, please contact
  29  *    licensing@OpenSSL.org.
  30  *
  31  * 5. Products derived from this software may not be called "OpenSSL"
  32  *    nor may "OpenSSL" appear in their names without prior written
  33  *    permission of the OpenSSL Project.
  34  *
  35  * 6. Redistributions of any form whatsoever must retain the following
  36  *    acknowledgment:
  37  *    "This product includes software developed by the OpenSSL Project
  38  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  39  *
  40  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  41  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  43  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  44  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  45  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  46  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  47  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  49  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  50  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  51  * OF THE POSSIBILITY OF SUCH DAMAGE.
  52  * ====================================================================
  53  */
  54
  55 /* CMS utility function */
  56
  57 #include <stdio.h>
  58 #include <string.h>
  59 #include "apps.h"
  60
  61 #ifndef OPENSSL_NO_CMS
  62
  63 # include <openssl/crypto.h>
  64 # include <openssl/pem.h>
  65 # include <openssl/err.h>
  66 # include <openssl/x509_vfy.h>
  67 # include <openssl/x509v3.h>
  68 # include <openssl/cms.h>
  69
  70 # undef PROG
  71 # define PROG cms_main
  72 static int save_certs(char *signerfile, STACK_OF(X509) *signers);
  73 static int cms_cb(int ok, X509_STORE_CTX *ctx);
  74 static void receipt_request_print(BIO *out, CMS_ContentInfo *cms);
  75 static CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING)
  76                                                 *rr_to, int rr_allorfirst, STACK_OF(OPENSSL_STRING)
  77                                                 *rr_from);
  78
  79 # define SMIME_OP        0x10
  80 # define SMIME_IP        0x20
  81 # define SMIME_SIGNERS   0x40
  82 # define SMIME_ENCRYPT           (1 | SMIME_OP)
  83 # define SMIME_DECRYPT           (2 | SMIME_IP)
  84 # define SMIME_SIGN              (3 | SMIME_OP | SMIME_SIGNERS)
  85 # define SMIME_VERIFY            (4 | SMIME_IP)
  86 # define SMIME_CMSOUT            (5 | SMIME_IP | SMIME_OP)
  87 # define SMIME_RESIGN            (6 | SMIME_IP | SMIME_OP | SMIME_SIGNERS)
  88 # define SMIME_DATAOUT           (7 | SMIME_IP)
  89 # define SMIME_DATA_CREATE       (8 | SMIME_OP)
  90 # define SMIME_DIGEST_VERIFY     (9 | SMIME_IP)
  91 # define SMIME_DIGEST_CREATE     (10 | SMIME_OP)
  92 # define SMIME_UNCOMPRESS        (11 | SMIME_IP)
  93 # define SMIME_COMPRESS          (12 | SMIME_OP)
  94 # define SMIME_ENCRYPTED_DECRYPT (13 | SMIME_IP)
  95 # define SMIME_ENCRYPTED_ENCRYPT (14 | SMIME_OP)
  96 # define SMIME_SIGN_RECEIPT      (15 | SMIME_IP | SMIME_OP)
  97 # define SMIME_VERIFY_RECEIPT    (16 | SMIME_IP)
  98
  99 int verify_err = 0;
 100
 101 int MAIN(int, char **);
 102
 103 int MAIN(int argc, char **argv)
 104 {
 105     ENGINE *e = NULL;
 106     int operation = 0;
 107     int ret = 0;
 108     char **args;
 109     const char *inmode = "r", *outmode = "w";
 110     char *infile = NULL, *outfile = NULL, *rctfile = NULL;
 111     char *signerfile = NULL, *recipfile = NULL;
 112     STACK_OF(OPENSSL_STRING) *sksigners = NULL, *skkeys = NULL;
 113     char *certfile = NULL, *keyfile = NULL, *contfile = NULL;
 114     char *certsoutfile = NULL;
 115     const EVP_CIPHER *cipher = NULL;
 116     CMS_ContentInfo *cms = NULL, *rcms = NULL;
 117     X509_STORE *store = NULL;
 118     X509 *cert = NULL, *recip = NULL, *signer = NULL;
 119     EVP_PKEY *key = NULL;
 120     STACK_OF(X509) *encerts = NULL, *other = NULL;
 121     BIO *in = NULL, *out = NULL, *indata = NULL, *rctin = NULL;
 122     int badarg = 0;
 123     int flags = CMS_DETACHED, noout = 0, print = 0;
 124     int verify_retcode = 0;
 125     int rr_print = 0, rr_allorfirst = -1;
 126     STACK_OF(OPENSSL_STRING) *rr_to = NULL, *rr_from = NULL;
 127     CMS_ReceiptRequest *rr = NULL;
 128     char *to = NULL, *from = NULL, *subject = NULL;
 129     char *CAfile = NULL, *CApath = NULL;
 130     char *passargin = NULL, *passin = NULL;
 131     char *inrand = NULL;
 132     int need_rand = 0;
 133     const EVP_MD *sign_md = NULL;
 134     int informat = FORMAT_SMIME, outformat = FORMAT_SMIME;
 135     int rctformat = FORMAT_SMIME, keyform = FORMAT_PEM;
 136 # ifndef OPENSSL_NO_ENGINE
 137     char *engine = NULL;
 138 # endif
 139     unsigned char *secret_key = NULL, *secret_keyid = NULL;
 140     unsigned char *pwri_pass = NULL, *pwri_tmp = NULL;
 141     size_t secret_keylen = 0, secret_keyidlen = 0;
 142
 143     ASN1_OBJECT *econtent_type = NULL;
 144
 145     X509_VERIFY_PARAM *vpm = NULL;
 146
 147     args = argv + 1;
 148     ret = 1;
 149
 150     apps_startup();
 151
 152     if (bio_err == NULL) {
 153         if ((bio_err = BIO_new(BIO_s_file())) != NULL)
 154             BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
 155     }
 156
 157     if (!load_config(bio_err, NULL))
 158         goto end;
 159
 160     while (!badarg && *args && *args[0] == '-') {
 161         if (!strcmp(*args, "-encrypt"))
 162             operation = SMIME_ENCRYPT;
 163         else if (!strcmp(*args, "-decrypt"))
 164             operation = SMIME_DECRYPT;
 165         else if (!strcmp(*args, "-sign"))
 166             operation = SMIME_SIGN;
 167         else if (!strcmp(*args, "-sign_receipt"))
 168             operation = SMIME_SIGN_RECEIPT;
 169         else if (!strcmp(*args, "-resign"))
 170             operation = SMIME_RESIGN;
 171         else if (!strcmp(*args, "-verify"))
 172             operation = SMIME_VERIFY;
 173         else if (!strcmp(*args, "-verify_retcode"))
 174             verify_retcode = 1;
 175         else if (!strcmp(*args, "-verify_receipt")) {
 176             operation = SMIME_VERIFY_RECEIPT;
 177             if (!args[1])
 178                 goto argerr;
 179             args++;
 180             rctfile = *args;
 181         } else if (!strcmp(*args, "-cmsout"))
 182             operation = SMIME_CMSOUT;
 183         else if (!strcmp(*args, "-data_out"))
 184             operation = SMIME_DATAOUT;
 185         else if (!strcmp(*args, "-data_create"))
 186             operation = SMIME_DATA_CREATE;
 187         else if (!strcmp(*args, "-digest_verify"))
 188             operation = SMIME_DIGEST_VERIFY;
 189         else if (!strcmp(*args, "-digest_create"))
 190             operation = SMIME_DIGEST_CREATE;
 191         else if (!strcmp(*args, "-compress"))
 192             operation = SMIME_COMPRESS;
 193         else if (!strcmp(*args, "-uncompress"))
 194             operation = SMIME_UNCOMPRESS;
 195         else if (!strcmp(*args, "-EncryptedData_decrypt"))
 196             operation = SMIME_ENCRYPTED_DECRYPT;
 197         else if (!strcmp(*args, "-EncryptedData_encrypt"))
 198             operation = SMIME_ENCRYPTED_ENCRYPT;
 199 # ifndef OPENSSL_NO_DES
 200         else if (!strcmp(*args, "-des3"))
 201             cipher = EVP_des_ede3_cbc();
 202         else if (!strcmp(*args, "-des"))
 203             cipher = EVP_des_cbc();
 204 # endif
 205 # ifndef OPENSSL_NO_SEED
 206         else if (!strcmp(*args, "-seed"))
 207             cipher = EVP_seed_cbc();
 208 # endif
 209 # ifndef OPENSSL_NO_RC2
 210         else if (!strcmp(*args, "-rc2-40"))
 211             cipher = EVP_rc2_40_cbc();
 212         else if (!strcmp(*args, "-rc2-128"))
 213             cipher = EVP_rc2_cbc();
 214         else if (!strcmp(*args, "-rc2-64"))
 215             cipher = EVP_rc2_64_cbc();
 216 # endif
 217 # ifndef OPENSSL_NO_AES
 218         else if (!strcmp(*args, "-aes128"))
 219             cipher = EVP_aes_128_cbc();
 220         else if (!strcmp(*args, "-aes192"))
 221             cipher = EVP_aes_192_cbc();
 222         else if (!strcmp(*args, "-aes256"))
 223             cipher = EVP_aes_256_cbc();
 224 # endif
 225 # ifndef OPENSSL_NO_CAMELLIA
 226         else if (!strcmp(*args, "-camellia128"))
 227             cipher = EVP_camellia_128_cbc();
 228         else if (!strcmp(*args, "-camellia192"))
 229             cipher = EVP_camellia_192_cbc();
 230         else if (!strcmp(*args, "-camellia256"))
 231             cipher = EVP_camellia_256_cbc();
 232 # endif
 233         else if (!strcmp(*args, "-debug_decrypt"))
 234             flags |= CMS_DEBUG_DECRYPT;
 235         else if (!strcmp(*args, "-text"))
 236             flags |= CMS_TEXT;
 237         else if (!strcmp(*args, "-nointern"))
 238             flags |= CMS_NOINTERN;
 239         else if (!strcmp(*args, "-noverify")
 240                  || !strcmp(*args, "-no_signer_cert_verify"))
 241             flags |= CMS_NO_SIGNER_CERT_VERIFY;
 242         else if (!strcmp(*args, "-nocerts"))
 243             flags |= CMS_NOCERTS;
 244         else if (!strcmp(*args, "-noattr"))
 245             flags |= CMS_NOATTR;
 246         else if (!strcmp(*args, "-nodetach"))
 247             flags &= ~CMS_DETACHED;
 248         else if (!strcmp(*args, "-nosmimecap"))
 249             flags |= CMS_NOSMIMECAP;
 250         else if (!strcmp(*args, "-binary"))
 251             flags |= CMS_BINARY;
 252         else if (!strcmp(*args, "-keyid"))
 253             flags |= CMS_USE_KEYID;
 254         else if (!strcmp(*args, "-nosigs"))
 255             flags |= CMS_NOSIGS;
 256         else if (!strcmp(*args, "-no_content_verify"))
 257             flags |= CMS_NO_CONTENT_VERIFY;
 258         else if (!strcmp(*args, "-no_attr_verify"))
 259             flags |= CMS_NO_ATTR_VERIFY;
 260         else if (!strcmp(*args, "-stream"))
 261             flags |= CMS_STREAM;
 262         else if (!strcmp(*args, "-indef"))
 263             flags |= CMS_STREAM;
 264         else if (!strcmp(*args, "-noindef"))
 265             flags &= ~CMS_STREAM;
 266         else if (!strcmp(*args, "-nooldmime"))
 267             flags |= CMS_NOOLDMIMETYPE;
 268         else if (!strcmp(*args, "-crlfeol"))
 269             flags |= CMS_CRLFEOL;
 270         else if (!strcmp(*args, "-noout"))
 271             noout = 1;
 272         else if (!strcmp(*args, "-receipt_request_print"))
 273             rr_print = 1;
 274         else if (!strcmp(*args, "-receipt_request_all"))
 275             rr_allorfirst = 0;
 276         else if (!strcmp(*args, "-receipt_request_first"))
 277             rr_allorfirst = 1;
 278         else if (!strcmp(*args, "-receipt_request_from")) {
 279             if (!args[1])
 280                 goto argerr;
 281             args++;
 282             if (!rr_from)
 283                 rr_from = sk_OPENSSL_STRING_new_null();
 284             sk_OPENSSL_STRING_push(rr_from, *args);
 285         } else if (!strcmp(*args, "-receipt_request_to")) {
 286             if (!args[1])
 287                 goto argerr;
 288             args++;
 289             if (!rr_to)
 290                 rr_to = sk_OPENSSL_STRING_new_null();
 291             sk_OPENSSL_STRING_push(rr_to, *args);
 292         } else if (!strcmp(*args, "-print")) {
 293             noout = 1;
 294             print = 1;
 295         } else if (!strcmp(*args, "-secretkey")) {
 296             long ltmp;
 297             if (!args[1])
 298                 goto argerr;
 299             args++;
 300             secret_key = string_to_hex(*args, &ltmp);
 301             if (!secret_key) {
 302                 BIO_printf(bio_err, "Invalid key %s\n", *args);
 303                 goto argerr;
 304             }
 305             secret_keylen = (size_t)ltmp;
 306         } else if (!strcmp(*args, "-secretkeyid")) {
 307             long ltmp;
 308             if (!args[1])
 309                 goto argerr;
 310             args++;
 311             secret_keyid = string_to_hex(*args, &ltmp);
 312             if (!secret_keyid) {
 313                 BIO_printf(bio_err, "Invalid id %s\n", *args);
 314                 goto argerr;
 315             }
 316             secret_keyidlen = (size_t)ltmp;
 317         } else if (!strcmp(*args, "-pwri_password")) {
 318             if (!args[1])
 319                 goto argerr;
 320             args++;
 321             pwri_pass = (unsigned char *)*args;
 322         } else if (!strcmp(*args, "-econtent_type")) {
 323             if (!args[1])
 324                 goto argerr;
 325             args++;
 326             econtent_type = OBJ_txt2obj(*args, 0);
 327             if (!econtent_type) {
 328                 BIO_printf(bio_err, "Invalid OID %s\n", *args);
 329                 goto argerr;
 330             }
 331         } else if (!strcmp(*args, "-rand")) {
 332             if (!args[1])
 333                 goto argerr;
 334             args++;
 335             inrand = *args;
 336             need_rand = 1;
 337         }
 338 # ifndef OPENSSL_NO_ENGINE
 339         else if (!strcmp(*args, "-engine")) {
 340             if (!args[1])
 341                 goto argerr;
 342             engine = *++args;
 343         }
 344 # endif
 345         else if (!strcmp(*args, "-passin")) {
 346             if (!args[1])
 347                 goto argerr;
 348             passargin = *++args;
 349         } else if (!strcmp(*args, "-to")) {
 350             if (!args[1])
 351                 goto argerr;
 352             to = *++args;
 353         } else if (!strcmp(*args, "-from")) {
 354             if (!args[1])
 355                 goto argerr;
 356             from = *++args;
 357         } else if (!strcmp(*args, "-subject")) {
 358             if (!args[1])
 359                 goto argerr;
 360             subject = *++args;
 361         } else if (!strcmp(*args, "-signer")) {
 362             if (!args[1])
 363                 goto argerr;
 364             /* If previous -signer argument add signer to list */
 365
 366             if (signerfile) {
 367                 if (!sksigners)
 368                     sksigners = sk_OPENSSL_STRING_new_null();
 369                 sk_OPENSSL_STRING_push(sksigners, signerfile);
 370                 if (!keyfile)
 371                     keyfile = signerfile;
 372                 if (!skkeys)
 373                     skkeys = sk_OPENSSL_STRING_new_null();
 374                 sk_OPENSSL_STRING_push(skkeys, keyfile);
 375                 keyfile = NULL;
 376             }
 377             signerfile = *++args;
 378         } else if (!strcmp(*args, "-recip")) {
 379             if (!args[1])
 380                 goto argerr;
 381             recipfile = *++args;
 382         } else if (!strcmp(*args, "-certsout")) {
 383             if (!args[1])
 384                 goto argerr;
 385             certsoutfile = *++args;
 386         } else if (!strcmp(*args, "-md")) {
 387             if (!args[1])
 388                 goto argerr;
 389             sign_md = EVP_get_digestbyname(*++args);
 390             if (sign_md == NULL) {
 391                 BIO_printf(bio_err, "Unknown digest %s\n", *args);
 392                 goto argerr;
 393             }
 394         } else if (!strcmp(*args, "-inkey")) {
 395             if (!args[1])
 396                 goto argerr;
 397             /* If previous -inkey arument add signer to list */
 398             if (keyfile) {
 399                 if (!signerfile) {
 400                     BIO_puts(bio_err, "Illegal -inkey without -signer\n");
 401                     goto argerr;
 402                 }
 403                 if (!sksigners)
 404                     sksigners = sk_OPENSSL_STRING_new_null();
 405                 sk_OPENSSL_STRING_push(sksigners, signerfile);
 406                 signerfile = NULL;
 407                 if (!skkeys)
 408                     skkeys = sk_OPENSSL_STRING_new_null();
 409                 sk_OPENSSL_STRING_push(skkeys, keyfile);
 410             }
 411             keyfile = *++args;
 412         } else if (!strcmp(*args, "-keyform")) {
 413             if (!args[1])
 414                 goto argerr;
 415             keyform = str2fmt(*++args);
 416         } else if (!strcmp(*args, "-rctform")) {
 417             if (!args[1])
 418                 goto argerr;
 419             rctformat = str2fmt(*++args);
 420         } else if (!strcmp(*args, "-certfile")) {
 421             if (!args[1])
 422                 goto argerr;
 423             certfile = *++args;
 424         } else if (!strcmp(*args, "-CAfile")) {
 425             if (!args[1])
 426                 goto argerr;
 427             CAfile = *++args;
 428         } else if (!strcmp(*args, "-CApath")) {
 429             if (!args[1])
 430                 goto argerr;
 431             CApath = *++args;
 432         } else if (!strcmp(*args, "-in")) {
 433             if (!args[1])
 434                 goto argerr;
 435             infile = *++args;
 436         } else if (!strcmp(*args, "-inform")) {
 437             if (!args[1])
 438                 goto argerr;
 439             informat = str2fmt(*++args);
 440         } else if (!strcmp(*args, "-outform")) {
 441             if (!args[1])
 442                 goto argerr;
 443             outformat = str2fmt(*++args);
 444         } else if (!strcmp(*args, "-out")) {
 445             if (!args[1])
 446                 goto argerr;
 447             outfile = *++args;
 448         } else if (!strcmp(*args, "-content")) {
 449             if (!args[1])
 450                 goto argerr;
 451             contfile = *++args;
 452         } else if (args_verify(&args, NULL, &badarg, bio_err, &vpm))
 453             continue;
 454         else if ((cipher = EVP_get_cipherbyname(*args + 1)) == NULL)
 455             badarg = 1;
 456         args++;
 457     }
 458
 459     if (((rr_allorfirst != -1) || rr_from) && !rr_to) {
 460         BIO_puts(bio_err, "No Signed Receipts Recipients\n");
 461         goto argerr;
 462     }
 463
 464     if (!(operation & SMIME_SIGNERS) && (rr_to || rr_from)) {
 465         BIO_puts(bio_err, "Signed receipts only allowed with -sign\n");
 466         goto argerr;
 467     }
 468     if (!(operation & SMIME_SIGNERS) && (skkeys || sksigners)) {
 469         BIO_puts(bio_err, "Multiple signers or keys not allowed\n");
 470         goto argerr;
 471     }
 472
 473     if (operation & SMIME_SIGNERS) {
 474         if (keyfile && !signerfile) {
 475             BIO_puts(bio_err, "Illegal -inkey without -signer\n");
 476             goto argerr;
 477         }
 478         /* Check to see if any final signer needs to be appended */
 479         if (signerfile) {
 480             if (!sksigners)
 481                 sksigners = sk_OPENSSL_STRING_new_null();
 482             sk_OPENSSL_STRING_push(sksigners, signerfile);
 483             if (!skkeys)
 484                 skkeys = sk_OPENSSL_STRING_new_null();
 485             if (!keyfile)
 486                 keyfile = signerfile;
 487             sk_OPENSSL_STRING_push(skkeys, keyfile);
 488         }
 489         if (!sksigners) {
 490             BIO_printf(bio_err, "No signer certificate specified\n");
 491             badarg = 1;
 492         }
 493         signerfile = NULL;
 494         keyfile = NULL;
 495         need_rand = 1;
 496     }
 497
 498     else if (operation == SMIME_DECRYPT) {
 499         if (!recipfile && !keyfile && !secret_key && !pwri_pass) {
 500             BIO_printf(bio_err,
 501                        "No recipient certificate or key specified\n");
 502             badarg = 1;
 503         }
 504     } else if (operation == SMIME_ENCRYPT) {
 505         if (!*args && !secret_key && !pwri_pass) {
 506             BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
 507             badarg = 1;
 508         }
 509         need_rand = 1;
 510     } else if (!operation)
 511         badarg = 1;
 512
 513     if (badarg) {
 514  argerr:
 515         BIO_printf(bio_err, "Usage cms [options] cert.pem ...\n");
 516         BIO_printf(bio_err, "where options are\n");
 517         BIO_printf(bio_err, "-encrypt       encrypt message\n");
 518         BIO_printf(bio_err, "-decrypt       decrypt encrypted message\n");
 519         BIO_printf(bio_err, "-sign          sign message\n");
 520         BIO_printf(bio_err, "-verify        verify signed message\n");
 521         BIO_printf(bio_err, "-cmsout        output CMS structure\n");
 522 # ifndef OPENSSL_NO_DES
 523         BIO_printf(bio_err, "-des3          encrypt with triple DES\n");
 524         BIO_printf(bio_err, "-des           encrypt with DES\n");
 525 # endif
 526 # ifndef OPENSSL_NO_SEED
 527         BIO_printf(bio_err, "-seed          encrypt with SEED\n");
 528 # endif
 529 # ifndef OPENSSL_NO_RC2
 530         BIO_printf(bio_err, "-rc2-40        encrypt with RC2-40 (default)\n");
 531         BIO_printf(bio_err, "-rc2-64        encrypt with RC2-64\n");
 532         BIO_printf(bio_err, "-rc2-128       encrypt with RC2-128\n");
 533 # endif
 534 # ifndef OPENSSL_NO_AES
 535         BIO_printf(bio_err, "-aes128, -aes192, -aes256\n");
 536         BIO_printf(bio_err,
 537                    "               encrypt PEM output with cbc aes\n");
 538 # endif
 539 # ifndef OPENSSL_NO_CAMELLIA
 540         BIO_printf(bio_err, "-camellia128, -camellia192, -camellia256\n");
 541         BIO_printf(bio_err,
 542                    "               encrypt PEM output with cbc camellia\n");
 543 # endif
 544         BIO_printf(bio_err,
 545                    "-nointern      don't search certificates in message for signer\n");
 546         BIO_printf(bio_err,
 547                    "-nosigs        don't verify message signature\n");
 548         BIO_printf(bio_err,
 549                    "-noverify      don't verify signers certificate\n");
 550         BIO_printf(bio_err,
 551                    "-nocerts       don't include signers certificate when signing\n");
 552         BIO_printf(bio_err, "-nodetach      use opaque signing\n");
 553         BIO_printf(bio_err,
 554                    "-noattr        don't include any signed attributes\n");
 555         BIO_printf(bio_err,
 556                    "-binary        don't translate message to text\n");
 557         BIO_printf(bio_err, "-certfile file other certificates file\n");
 558         BIO_printf(bio_err, "-certsout file certificate output file\n");
 559         BIO_printf(bio_err, "-signer file   signer certificate file\n");
 560         BIO_printf(bio_err,
 561                    "-recip  file   recipient certificate file for decryption\n");
 562         BIO_printf(bio_err, "-keyid         use subject key identifier\n");
 563         BIO_printf(bio_err, "-in file       input file\n");
 564         BIO_printf(bio_err,
 565                    "-inform arg    input format SMIME (default), PEM or DER\n");
 566         BIO_printf(bio_err,
 567                    "-inkey file    input private key (if not signer or recipient)\n");
 568         BIO_printf(bio_err,
 569                    "-keyform arg   input private key format (PEM or ENGINE)\n");
 570         BIO_printf(bio_err, "-out file      output file\n");
 571         BIO_printf(bio_err,
 572                    "-outform arg   output format SMIME (default), PEM or DER\n");
 573         BIO_printf(bio_err,
 574                    "-content file  supply or override content for detached signature\n");
 575         BIO_printf(bio_err, "-to addr       to address\n");
 576         BIO_printf(bio_err, "-from ad       from address\n");
 577         BIO_printf(bio_err, "-subject s     subject\n");
 578         BIO_printf(bio_err,
 579                    "-text          include or delete text MIME headers\n");
 580         BIO_printf(bio_err,
 581                    "-CApath dir    trusted certificates directory\n");
 582         BIO_printf(bio_err, "-CAfile file   trusted certificates file\n");
 583         BIO_printf(bio_err,
 584                    "-no_alt_chains only ever use the first certificate chain found\n");
 585         BIO_printf(bio_err,
 586                    "-crl_check     check revocation status of signer's certificate using CRLs\n");
 587         BIO_printf(bio_err,
 588                    "-crl_check_all check revocation status of signer's certificate chain using CRLs\n");
 589 # ifndef OPENSSL_NO_ENGINE
 590         BIO_printf(bio_err,
 591                    "-engine e      use engine e, possibly a hardware device.\n");
 592 # endif
 593         BIO_printf(bio_err, "-passin arg    input file pass phrase source\n");
 594         BIO_printf(bio_err, "-rand file%cfile%c...\n", LIST_SEPARATOR_CHAR,
 595                    LIST_SEPARATOR_CHAR);
 596         BIO_printf(bio_err,
 597                    "               load the file (or the files in the directory) into\n");
 598         BIO_printf(bio_err, "               the random number generator\n");
 599         BIO_printf(bio_err,
 600                    "cert.pem       recipient certificate(s) for encryption\n");
 601         goto end;
 602     }
 603 # ifndef OPENSSL_NO_ENGINE
 604     e = setup_engine(bio_err, engine, 0);
 605 # endif
 606
 607     if (!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
 608         BIO_printf(bio_err, "Error getting password\n");
 609         goto end;
 610     }
 611
 612     if (need_rand) {
 613         app_RAND_load_file(NULL, bio_err, (inrand != NULL));
 614         if (inrand != NULL)
 615             BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
 616                        app_RAND_load_files(inrand));
 617     }
 618
 619     ret = 2;
 620
 621     if (!(operation & SMIME_SIGNERS))
 622         flags &= ~CMS_DETACHED;
 623
 624     if (operation & SMIME_OP) {
 625         if (outformat == FORMAT_ASN1)
 626             outmode = "wb";
 627     } else {
 628         if (flags & CMS_BINARY)
 629             outmode = "wb";
 630     }
 631
 632     if (operation & SMIME_IP) {
 633         if (informat == FORMAT_ASN1)
 634             inmode = "rb";
 635     } else {
 636         if (flags & CMS_BINARY)
 637             inmode = "rb";
 638     }
 639
 640     if (operation == SMIME_ENCRYPT) {
 641         if (!cipher) {
 642 # ifndef OPENSSL_NO_DES
 643             cipher = EVP_des_ede3_cbc();
 644 # else
 645             BIO_printf(bio_err, "No cipher selected\n");
 646             goto end;
 647 # endif
 648         }
 649
 650         if (secret_key && !secret_keyid) {
 651             BIO_printf(bio_err, "No secret key id\n");
 652             goto end;
 653         }
 654
 655         if (*args)
 656             encerts = sk_X509_new_null();
 657         while (*args) {
 658             if (!(cert = load_cert(bio_err, *args, FORMAT_PEM,
 659                                    NULL, e, "recipient certificate file")))
 660                 goto end;
 661             sk_X509_push(encerts, cert);
 662             cert = NULL;
 663             args++;
 664         }
 665     }
 666
 667     if (certfile) {
 668         if (!(other = load_certs(bio_err, certfile, FORMAT_PEM, NULL,
 669                                  e, "certificate file"))) {
 670             ERR_print_errors(bio_err);
 671             goto end;
 672         }
 673     }
 674
 675     if (recipfile && (operation == SMIME_DECRYPT)) {
 676         if (!(recip = load_cert(bio_err, recipfile, FORMAT_PEM, NULL,
 677                                 e, "recipient certificate file"))) {
 678             ERR_print_errors(bio_err);
 679             goto end;
 680         }
 681     }
 682
 683     if (operation == SMIME_SIGN_RECEIPT) {
 684         if (!(signer = load_cert(bio_err, signerfile, FORMAT_PEM, NULL,
 685                                  e, "receipt signer certificate file"))) {
 686             ERR_print_errors(bio_err);
 687             goto end;
 688         }
 689     }
 690
 691     if (operation == SMIME_DECRYPT) {
 692         if (!keyfile)
 693             keyfile = recipfile;
 694     } else if ((operation == SMIME_SIGN) || (operation == SMIME_SIGN_RECEIPT)) {
 695         if (!keyfile)
 696             keyfile = signerfile;
 697     } else
 698         keyfile = NULL;
 699
 700     if (keyfile) {
 701         key = load_key(bio_err, keyfile, keyform, 0, passin, e,
 702                        "signing key file");
 703         if (!key)
 704             goto end;
 705     }
 706
 707     if (infile) {
 708         if (!(in = BIO_new_file(infile, inmode))) {
 709             BIO_printf(bio_err, "Can't open input file %s\n", infile);
 710             goto end;
 711         }
 712     } else
 713         in = BIO_new_fp(stdin, BIO_NOCLOSE);
 714
 715     if (operation & SMIME_IP) {
 716         if (informat == FORMAT_SMIME)
 717             cms = SMIME_read_CMS(in, &indata);
 718         else if (informat == FORMAT_PEM)
 719             cms = PEM_read_bio_CMS(in, NULL, NULL, NULL);
 720         else if (informat == FORMAT_ASN1)
 721             cms = d2i_CMS_bio(in, NULL);
 722         else {
 723             BIO_printf(bio_err, "Bad input format for CMS file\n");
 724             goto end;
 725         }
 726
 727         if (!cms) {
 728             BIO_printf(bio_err, "Error reading S/MIME message\n");
 729             goto end;
 730         }
 731         if (contfile) {
 732             BIO_free(indata);
 733             if (!(indata = BIO_new_file(contfile, "rb"))) {
 734                 BIO_printf(bio_err, "Can't read content file %s\n", contfile);
 735                 goto end;
 736             }
 737         }
 738         if (certsoutfile) {
 739             STACK_OF(X509) *allcerts;
 740             allcerts = CMS_get1_certs(cms);
 741             if (!save_certs(certsoutfile, allcerts)) {
 742                 BIO_printf(bio_err,
 743                            "Error writing certs to %s\n", certsoutfile);
 744                 ret = 5;
 745                 goto end;
 746             }
 747             sk_X509_pop_free(allcerts, X509_free);
 748         }
 749     }
 750
 751     if (rctfile) {
 752         char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r";
 753         if (!(rctin = BIO_new_file(rctfile, rctmode))) {
 754             BIO_printf(bio_err, "Can't open receipt file %s\n", rctfile);
 755             goto end;
 756         }
 757
 758         if (rctformat == FORMAT_SMIME)
 759             rcms = SMIME_read_CMS(rctin, NULL);
 760         else if (rctformat == FORMAT_PEM)
 761             rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL);
 762         else if (rctformat == FORMAT_ASN1)
 763             rcms = d2i_CMS_bio(rctin, NULL);
 764         else {
 765             BIO_printf(bio_err, "Bad input format for receipt\n");
 766             goto end;
 767         }
 768
 769         if (!rcms) {
 770             BIO_printf(bio_err, "Error reading receipt\n");
 771             goto end;
 772         }
 773     }
 774
 775     if (outfile) {
 776         if (!(out = BIO_new_file(outfile, outmode))) {
 777             BIO_printf(bio_err, "Can't open output file %s\n", outfile);
 778             goto end;
 779         }
 780     } else {
 781         out = BIO_new_fp(stdout, BIO_NOCLOSE);
 782 # ifdef OPENSSL_SYS_VMS
 783         {
 784             BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 785             out = BIO_push(tmpbio, out);
 786         }
 787 # endif
 788     }
 789
 790     if ((operation == SMIME_VERIFY) || (operation == SMIME_VERIFY_RECEIPT)) {
 791         if (!(store = setup_verify(bio_err, CAfile, CApath)))
 792             goto end;
 793         X509_STORE_set_verify_cb(store, cms_cb);
 794         if (vpm)
 795             X509_STORE_set1_param(store, vpm);
 796     }
 797
 798     ret = 3;
 799
 800     if (operation == SMIME_DATA_CREATE) {
 801         cms = CMS_data_create(in, flags);
 802     } else if (operation == SMIME_DIGEST_CREATE) {
 803         cms = CMS_digest_create(in, sign_md, flags);
 804     } else if (operation == SMIME_COMPRESS) {
 805         cms = CMS_compress(in, -1, flags);
 806     } else if (operation == SMIME_ENCRYPT) {
 807         flags |= CMS_PARTIAL;
 808         cms = CMS_encrypt(encerts, in, cipher, flags);
 809         if (!cms)
 810             goto end;
 811         if (secret_key) {
 812             if (!CMS_add0_recipient_key(cms, NID_undef,
 813                                         secret_key, secret_keylen,
 814                                         secret_keyid, secret_keyidlen,
 815                                         NULL, NULL, NULL))
 816                 goto end;
 817             /* NULL these because call absorbs them */
 818             secret_key = NULL;
 819             secret_keyid = NULL;
 820         }
 821         if (pwri_pass) {
 822             pwri_tmp = (unsigned char *)BUF_strdup((char *)pwri_pass);
 823             if (!pwri_tmp)
 824                 goto end;
 825             if (!CMS_add0_recipient_password(cms,
 826                                              -1, NID_undef, NID_undef,
 827                                              pwri_tmp, -1, NULL))
 828                 goto end;
 829             pwri_tmp = NULL;
 830         }
 831         if (!(flags & CMS_STREAM)) {
 832             if (!CMS_final(cms, in, NULL, flags))
 833                 goto end;
 834         }
 835     } else if (operation == SMIME_ENCRYPTED_ENCRYPT) {
 836         cms = CMS_EncryptedData_encrypt(in, cipher,
 837                                         secret_key, secret_keylen, flags);
 838
 839     } else if (operation == SMIME_SIGN_RECEIPT) {
 840         CMS_ContentInfo *srcms = NULL;
 841         STACK_OF(CMS_SignerInfo) *sis;
 842         CMS_SignerInfo *si;
 843         sis = CMS_get0_SignerInfos(cms);
 844         if (!sis)
 845             goto end;
 846         si = sk_CMS_SignerInfo_value(sis, 0);
 847         srcms = CMS_sign_receipt(si, signer, key, other, flags);
 848         if (!srcms)
 849             goto end;
 850         CMS_ContentInfo_free(cms);
 851         cms = srcms;
 852     } else if (operation & SMIME_SIGNERS) {
 853         int i;
 854         /*
 855          * If detached data content we enable streaming if S/MIME output
 856          * format.
 857          */
 858         if (operation == SMIME_SIGN) {
 859
 860             if (flags & CMS_DETACHED) {
 861                 if (outformat == FORMAT_SMIME)
 862                     flags |= CMS_STREAM;
 863             }
 864             flags |= CMS_PARTIAL;
 865             cms = CMS_sign(NULL, NULL, other, in, flags);
 866             if (!cms)
 867                 goto end;
 868             if (econtent_type)
 869                 CMS_set1_eContentType(cms, econtent_type);
 870
 871             if (rr_to) {
 872                 rr = make_receipt_request(rr_to, rr_allorfirst, rr_from);
 873                 if (!rr) {
 874                     BIO_puts(bio_err,
 875                              "Signed Receipt Request Creation Error\n");
 876                     goto end;
 877                 }
 878             }
 879         } else
 880             flags |= CMS_REUSE_DIGEST;
 881         for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++) {
 882             CMS_SignerInfo *si;
 883             signerfile = sk_OPENSSL_STRING_value(sksigners, i);
 884             keyfile = sk_OPENSSL_STRING_value(skkeys, i);
 885             signer = load_cert(bio_err, signerfile, FORMAT_PEM, NULL,
 886                                e, "signer certificate");
 887             if (!signer)
 888                 goto end;
 889             key = load_key(bio_err, keyfile, keyform, 0, passin, e,
 890                            "signing key file");
 891             if (!key)
 892                 goto end;
 893             si = CMS_add1_signer(cms, signer, key, sign_md, flags);
 894             if (!si)
 895                 goto end;
 896             if (rr && !CMS_add1_ReceiptRequest(si, rr))
 897                 goto end;
 898             X509_free(signer);
 899             signer = NULL;
 900             EVP_PKEY_free(key);
 901             key = NULL;
 902         }
 903         /* If not streaming or resigning finalize structure */
 904         if ((operation == SMIME_SIGN) && !(flags & CMS_STREAM)) {
 905             if (!CMS_final(cms, in, NULL, flags))
 906                 goto end;
 907         }
 908     }
 909
 910     if (!cms) {
 911         BIO_printf(bio_err, "Error creating CMS structure\n");
 912         goto end;
 913     }
 914
 915     ret = 4;
 916     if (operation == SMIME_DECRYPT) {
 917         if (flags & CMS_DEBUG_DECRYPT)
 918             CMS_decrypt(cms, NULL, NULL, NULL, NULL, flags);
 919
 920         if (secret_key) {
 921             if (!CMS_decrypt_set1_key(cms,
 922                                       secret_key, secret_keylen,
 923                                       secret_keyid, secret_keyidlen)) {
 924                 BIO_puts(bio_err, "Error decrypting CMS using secret key\n");
 925                 goto end;
 926             }
 927         }
 928
 929         if (key) {
 930             if (!CMS_decrypt_set1_pkey(cms, key, recip)) {
 931                 BIO_puts(bio_err, "Error decrypting CMS using private key\n");
 932                 goto end;
 933             }
 934         }
 935
 936         if (pwri_pass) {
 937             if (!CMS_decrypt_set1_password(cms, pwri_pass, -1)) {
 938                 BIO_puts(bio_err, "Error decrypting CMS using password\n");
 939                 goto end;
 940             }
 941         }
 942
 943         if (!CMS_decrypt(cms, NULL, NULL, indata, out, flags)) {
 944             BIO_printf(bio_err, "Error decrypting CMS structure\n");
 945             goto end;
 946         }
 947     } else if (operation == SMIME_DATAOUT) {
 948         if (!CMS_data(cms, out, flags))
 949             goto end;
 950     } else if (operation == SMIME_UNCOMPRESS) {
 951         if (!CMS_uncompress(cms, indata, out, flags))
 952             goto end;
 953     } else if (operation == SMIME_DIGEST_VERIFY) {
 954         if (CMS_digest_verify(cms, indata, out, flags) > 0)
 955             BIO_printf(bio_err, "Verification successful\n");
 956         else {
 957             BIO_printf(bio_err, "Verification failure\n");
 958             goto end;
 959         }
 960     } else if (operation == SMIME_ENCRYPTED_DECRYPT) {
 961         if (!CMS_EncryptedData_decrypt(cms, secret_key, secret_keylen,
 962                                        indata, out, flags))
 963             goto end;
 964     } else if (operation == SMIME_VERIFY) {
 965         if (CMS_verify(cms, other, store, indata, out, flags) > 0)
 966             BIO_printf(bio_err, "Verification successful\n");
 967         else {
 968             BIO_printf(bio_err, "Verification failure\n");
 969             if (verify_retcode)
 970                 ret = verify_err + 32;
 971             goto end;
 972         }
 973         if (signerfile) {
 974             STACK_OF(X509) *signers;
 975             signers = CMS_get0_signers(cms);
 976             if (!save_certs(signerfile, signers)) {
 977                 BIO_printf(bio_err,
 978                            "Error writing signers to %s\n", signerfile);
 979                 ret = 5;
 980                 goto end;
 981             }
 982             sk_X509_free(signers);
 983         }
 984         if (rr_print)
 985             receipt_request_print(bio_err, cms);
 986
 987     } else if (operation == SMIME_VERIFY_RECEIPT) {
 988         if (CMS_verify_receipt(rcms, cms, other, store, flags) > 0)
 989             BIO_printf(bio_err, "Verification successful\n");
 990         else {
 991             BIO_printf(bio_err, "Verification failure\n");
 992             goto end;
 993         }
 994     } else {
 995         if (noout) {
 996             if (print)
 997                 CMS_ContentInfo_print_ctx(out, cms, 0, NULL);
 998         } else if (outformat == FORMAT_SMIME) {
 999             if (to)
1000                 BIO_printf(out, "To: %s\n", to);
1001             if (from)
1002                 BIO_printf(out, "From: %s\n", from);
1003             if (subject)
1004                 BIO_printf(out, "Subject: %s\n", subject);
1005             if (operation == SMIME_RESIGN)
1006                 ret = SMIME_write_CMS(out, cms, indata, flags);
1007             else
1008                 ret = SMIME_write_CMS(out, cms, in, flags);
1009         } else if (outformat == FORMAT_PEM)
1010             ret = PEM_write_bio_CMS_stream(out, cms, in, flags);
1011         else if (outformat == FORMAT_ASN1)
1012             ret = i2d_CMS_bio_stream(out, cms, in, flags);
1013         else {
1014             BIO_printf(bio_err, "Bad output format for CMS file\n");
1015             goto end;
1016         }
1017         if (ret <= 0) {
1018             ret = 6;
1019             goto end;
1020         }
1021     }
1022     ret = 0;
1023  end:
1024     if (ret)
1025         ERR_print_errors(bio_err);
1026     if (need_rand)
1027         app_RAND_write_file(NULL, bio_err);
1028     sk_X509_pop_free(encerts, X509_free);
1029     sk_X509_pop_free(other, X509_free);
1030     if (vpm)
1031         X509_VERIFY_PARAM_free(vpm);
1032     if (sksigners)
1033         sk_OPENSSL_STRING_free(sksigners);
1034     if (skkeys)
1035         sk_OPENSSL_STRING_free(skkeys);
1036     if (secret_key)
1037         OPENSSL_free(secret_key);
1038     if (secret_keyid)
1039         OPENSSL_free(secret_keyid);
1040     if (pwri_tmp)
1041         OPENSSL_free(pwri_tmp);
1042     if (econtent_type)
1043         ASN1_OBJECT_free(econtent_type);
1044     if (rr)
1045         CMS_ReceiptRequest_free(rr);
1046     if (rr_to)
1047         sk_OPENSSL_STRING_free(rr_to);
1048     if (rr_from)
1049         sk_OPENSSL_STRING_free(rr_from);
1050     X509_STORE_free(store);
1051     X509_free(cert);
1052     X509_free(recip);
1053     X509_free(signer);
1054     EVP_PKEY_free(key);
1055     CMS_ContentInfo_free(cms);
1056     CMS_ContentInfo_free(rcms);
1057     BIO_free(rctin);
1058     BIO_free(in);
1059     BIO_free(indata);
1060     BIO_free_all(out);
1061     if (passin)
1062         OPENSSL_free(passin);
1063     return (ret);
1064 }
1065
1066 static int save_certs(char *signerfile, STACK_OF(X509) *signers)
1067 {
1068     int i;
1069     BIO *tmp;
1070     if (!signerfile)
1071         return 1;
1072     tmp = BIO_new_file(signerfile, "w");
1073     if (!tmp)
1074         return 0;
1075     for (i = 0; i < sk_X509_num(signers); i++)
1076         PEM_write_bio_X509(tmp, sk_X509_value(signers, i));
1077     BIO_free(tmp);
1078     return 1;
1079 }
1080
1081 /* Minimal callback just to output policy info (if any) */
1082
1083 static int cms_cb(int ok, X509_STORE_CTX *ctx)
1084 {
1085     int error;
1086
1087     error = X509_STORE_CTX_get_error(ctx);
1088
1089     verify_err = error;
1090
1091     if ((error != X509_V_ERR_NO_EXPLICIT_POLICY)
1092         && ((error != X509_V_OK) || (ok != 2)))
1093         return ok;
1094
1095     policies_print(NULL, ctx);
1096
1097     return ok;
1098
1099 }
1100
1101 static void gnames_stack_print(BIO *out, STACK_OF(GENERAL_NAMES) *gns)
1102 {
1103     STACK_OF(GENERAL_NAME) *gens;
1104     GENERAL_NAME *gen;
1105     int i, j;
1106     for (i = 0; i < sk_GENERAL_NAMES_num(gns); i++) {
1107         gens = sk_GENERAL_NAMES_value(gns, i);
1108         for (j = 0; j < sk_GENERAL_NAME_num(gens); j++) {
1109             gen = sk_GENERAL_NAME_value(gens, j);
1110             BIO_puts(out, "    ");
1111             GENERAL_NAME_print(out, gen);
1112             BIO_puts(out, "\n");
1113         }
1114     }
1115     return;
1116 }
1117
1118 static void receipt_request_print(BIO *out, CMS_ContentInfo *cms)
1119 {
1120     STACK_OF(CMS_SignerInfo) *sis;
1121     CMS_SignerInfo *si;
1122     CMS_ReceiptRequest *rr;
1123     int allorfirst;
1124     STACK_OF(GENERAL_NAMES) *rto, *rlist;
1125     ASN1_STRING *scid;
1126     int i, rv;
1127     sis = CMS_get0_SignerInfos(cms);
1128     for (i = 0; i < sk_CMS_SignerInfo_num(sis); i++) {
1129         si = sk_CMS_SignerInfo_value(sis, i);
1130         rv = CMS_get1_ReceiptRequest(si, &rr);
1131         BIO_printf(bio_err, "Signer %d:\n", i + 1);
1132         if (rv == 0)
1133             BIO_puts(bio_err, "  No Receipt Request\n");
1134         else if (rv < 0) {
1135             BIO_puts(bio_err, "  Receipt Request Parse Error\n");
1136             ERR_print_errors(bio_err);
1137         } else {
1138             char *id;
1139             int idlen;
1140             CMS_ReceiptRequest_get0_values(rr, &scid, &allorfirst,
1141                                            &rlist, &rto);
1142             BIO_puts(out, "  Signed Content ID:\n");
1143             idlen = ASN1_STRING_length(scid);
1144             id = (char *)ASN1_STRING_data(scid);
1145             BIO_dump_indent(out, id, idlen, 4);
1146             BIO_puts(out, "  Receipts From");
1147             if (rlist) {
1148                 BIO_puts(out, " List:\n");
1149                 gnames_stack_print(out, rlist);
1150             } else if (allorfirst == 1)
1151                 BIO_puts(out, ": First Tier\n");
1152             else if (allorfirst == 0)
1153                 BIO_puts(out, ": All\n");
1154             else
1155                 BIO_printf(out, " Unknown (%d)\n", allorfirst);
1156             BIO_puts(out, "  Receipts To:\n");
1157             gnames_stack_print(out, rto);
1158         }
1159         if (rr)
1160             CMS_ReceiptRequest_free(rr);
1161     }
1162 }
1163
1164 static STACK_OF(GENERAL_NAMES) *make_names_stack(STACK_OF(OPENSSL_STRING) *ns)
1165 {
1166     int i;
1167     STACK_OF(GENERAL_NAMES) *ret;
1168     GENERAL_NAMES *gens = NULL;
1169     GENERAL_NAME *gen = NULL;
1170     ret = sk_GENERAL_NAMES_new_null();
1171     if (!ret)
1172         goto err;
1173     for (i = 0; i < sk_OPENSSL_STRING_num(ns); i++) {
1174         char *str = sk_OPENSSL_STRING_value(ns, i);
1175         gen = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_EMAIL, str, 0);
1176         if (!gen)
1177             goto err;
1178         gens = GENERAL_NAMES_new();
1179         if (!gens)
1180             goto err;
1181         if (!sk_GENERAL_NAME_push(gens, gen))
1182             goto err;
1183         gen = NULL;
1184         if (!sk_GENERAL_NAMES_push(ret, gens))
1185             goto err;
1186         gens = NULL;
1187     }
1188
1189     return ret;
1190
1191  err:
1192     if (ret)
1193         sk_GENERAL_NAMES_pop_free(ret, GENERAL_NAMES_free);
1194     if (gens)
1195         GENERAL_NAMES_free(gens);
1196     if (gen)
1197         GENERAL_NAME_free(gen);
1198     return NULL;
1199 }
1200
1201 static CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING)
1202                                                 *rr_to, int rr_allorfirst, STACK_OF(OPENSSL_STRING)
1203                                                 *rr_from)
1204 {
1205     STACK_OF(GENERAL_NAMES) *rct_to, *rct_from;
1206     CMS_ReceiptRequest *rr;
1207     rct_to = make_names_stack(rr_to);
1208     if (!rct_to)
1209         goto err;
1210     if (rr_from) {
1211         rct_from = make_names_stack(rr_from);
1212         if (!rct_from)
1213             goto err;
1214     } else
1215         rct_from = NULL;
1216     rr = CMS_ReceiptRequest_create0(NULL, -1, rr_allorfirst, rct_from,
1217                                     rct_to);
1218     return rr;
1219  err:
1220     return NULL;
1221 }
1222
1223 #endif